wildflowers said:Pretty! Do you grow it from seed? I have Verbena bonariensis seeds that I need to plant.
kqcrna said:Ummm.... I don't think seeds are killed by cold? Rather, freezing preserves seeds. In fact, the Doomsday seed bank is maintained at -0.4° F.
https://en.wikipedia.org/wiki/...
They might be eaten by critters, or washed away by rain, or buried... but freezing preserves them.
CarolineScott said:Yes---it probably kills early sprouts and not the seeds.
wildflowers said:What are your favorite flowers and pollinator attractors?